化简比:2.2毫升:4升=(
问题描述:
化简比:2.2毫升:4升=(
答
2.2毫升:4升
=2.2毫升:4000毫升
=22:40000
=11:20000
化简比:2.2毫升:4升=(
2.2毫升:4升
=2.2毫升:4000毫升
=22:40000
=11:20000